Affiliation: | 1. Department of Chemistry, Faculty of Science, Kyushu University;2. Japan Science and Technology Agency (JST), Core Research for Evolutional Science and Technology (CREST), Hakozaki 6‐10‐1, Higashi‐ku, Fukuoka 812‐8581 (Japan), Fax: (+81)?92‐642‐2570;3. Division of Chemistry, Faculty of Science, Hokkaido University, Kita 10, Nishi 8, Sapporo 060‐0810 (Japan);4. Institute for Solid State Physics, The University of Tokyo, Kashiwanoha 5‐1‐5, Kashiwa, Chiba 277‐8581 (Japan);5. Present address: Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa‐Oiwakecho, Sakyo‐ku, Kyoto 606‐8502 (Japan), Fax: (+81)?75‐753‐4035 |